What if there is no audio track?
Some samples or video-only MOVs have no audio — use a file that was recorded with sound.
ProRes Extract Audio
Export MP3, M4A, WAV, or AAC from ProRes MOV locally — no upload, faster than FFmpeg WASM.
Frequently asked questions
How much faster than FFmpeg WASM?
The native WebCodecs path is usually much faster, especially on longer files.
Does it work with iPhone ProRes?
Yes, as long as the MOV contains a decodable audio track.
What bitrate should I use?
Choose based on your delivery requirements.
Is this suitable for broadcast?
MP4 H.264 is widely accepted for online delivery.
How big will the converted file be?
File size depends on the original file and quality settings, usually smaller than the original file.